<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<table border="1">
<!-- <tr>表示一行，<td>表示一列，<th>表示标题行 -->
<tr>
	<th>1</th>
	<th>2</th>
	<th>3</th>
</tr>
<tr>
	<td>1-1</td>
	<td>1-2</td>
	<td>1-3</td>
</tr>
<tr>
	<td>2-1</td>
	<td>2-2</td>
	<td>2-3</td>
</tr>
<tr>
	<td>3-1</td>
	<td>3-2</td>
	<td>3-3</td>
</tr>
<tr>
	<td>4-1</td>
	<td>4-2</td>
	<td>4-3</td>
</tr>
</table>
</body>
</html>